drm/tinydrm: Use gem_free_object_unlocked

tinydrm doesn't use dev->struct_mutex and therefore has no need to use
gem_free_object.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180322105133.11211-2-daniel.vetter@ffwll.ch

drivers/gpu/drm/tinydrm/core/tinydrm-core.c

@@ -91,7 +91,7 @@ EXPORT_SYMBOL(tinydrm_gem_cma_prime_import_sg_table);
  * GEM object state and frees the memory used to store the object itself using
  * drm_gem_cma_free_object(). It also handles PRIME buffers which has the kernel
  * virtual address set by tinydrm_gem_cma_prime_import_sg_table(). Drivers
- * can use this as their &drm_driver->gem_free_object callback.
+ * can use this as their &drm_driver->gem_free_object_unlocked callback.
  */
 void tinydrm_gem_cma_free_object(struct drm_gem_object *gem_obj)
 {

include/drm/tinydrm/tinydrm.h

@@ -41,7 +41,7 @@ pipe_to_tinydrm(struct drm_simple_display_pipe *pipe)
  * the &drm_driver structure.
  */
 #define TINYDRM_GEM_DRIVER_OPS \
-	.gem_free_object	= tinydrm_gem_cma_free_object, \
+	.gem_free_object_unlocked = tinydrm_gem_cma_free_object, \
 	.gem_print_info		= drm_gem_cma_print_info, \
 	.gem_vm_ops		= &drm_gem_cma_vm_ops, \
 	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd, \